[libcxx-commits] [libcxx] Reapply "[libc++] Optimize vector growing of trivially relocatable types" (PR #80558)

[Dmitri Gribenko via libcxx-commits]

gribozavr wrote:

@nico `args_` is a `std::vector<const T>`; const elements are not allowed.

https://github.com/llvm/llvm-project/pull/80558